Big Tech faces a historic legal showdown. A major trial over social media addiction has begun and could reshape the technology industry. Meta CEO Mark Zuckerberg testified before a jury for the first time over claims that social media harms young people. His testimony came more than four years after leaked internal documents suggested the company knew its platforms could…

A UK health advisory panel has recommended against offering prostate cancer screening to most men, saying the risks of overdiagnosis outweigh the benefits. Charities and public figures have expressed “deep disappointment” at the draft decision. The UK National Screening Committee advised that only men with confirmed BRCA1 or BRCA2 gene variants—which increase the risk of aggressive prostate cancer—should be offered…